The world's largest carrier is about to get the iPhone

Apple says it has reached a deal to bring the iPhone to China Mobile, the world’s biggest phone carrier.

The deal could boost sales of the iPhone in China. Demand for iPhones, once hugely popular in China, have slumped there as lower-priced rival smartphones from Samsung and Chinese companies entered the market.

The iPhone 5s and 5c will go on sale in Apple stores and China Mobile stores on Friday, Jan. 17. Customers can register for phones starting Wednesday. The companies didn’t announce pricing details.